1) phase comparison
比相
1.
This paper presents the basic principle of transmission error measuring technique,the usual measuring methods,including phase comparison method and counting process in the measurement of machine tool's transmission error are summarized.
文章介绍了传动误差测量方法的基本原理,对机床传动误差测量中常用的测量方法(比相法和计数法)进行了综述,根据传感器的选用分析了国内外主要的测量方法,阐明了传动误差测量技术的发展趋势:从模拟量向数字量方向发展,从比相式向记数式发展,从硬件电路完成主要测试工作向软件化的“虚拟仪器”方向发展,从单一测量功能仪器向多功能多用途的通用柔性系统方向发展。
2.
The usual measuring methods, including phase comparison method and cou nting process, and the selection of transducers in the measurement of machine to ol's transmission error are summarized.
综合评述了机床传动误差测量中常用的测量方法 (比相法和计数法 )及传感器的选用 ,介绍了微机细分技术在传动误差测量系统中的应
3.
This paper firstly points out the importance of self-tracking angle measurement equipment in the UAV telemetry & telecontrol system, and describes briefly the principles of two angle measuring systems, one with phase interferometer, and the other with single pulse (amplitude comparison and phase comparison on a single plane).
简要阐述了常用的相位干涉仪和单脉冲(单平面的比幅及比相)2种测角体制的原理,并给出了这2种测角体制的应用方案。
2) phase-comparison
比相
1.
It adopts the phase-comparison of two zero-sequence currents to estimate the power direction which can overcome the disvantages caused by open circuit in potential element,system surge and variational load.
通过对线路单相接地故障时零序电流电压分布特点、零序功率方向元件动作的分析,提出了微机继电保护采用两零序电流比相判断零序功率方向的方法,零序方向元件不受电压元件断线、系统振荡及负荷的影响,从原理上确保了动作的可靠性。
3) Phase ratio
相比
1.
The partition coefficients of dissolved gases in transformer oil were determined using a phase ratio variation method and static headspace gas chromatography (GC).
采用改变相比/顶空气相色谱法测定了甲烷、乙炔、乙烯、乙烷和丙烷在变压器油中的分配常数。
2.
A novel accurate and experimentally simple method has been developed to determine dimensionless partition coefficient and concentration of benzene in water using various phase ratios with the static headspace gas chromatographic method.
推导了改变气液相比/顶空气相色谱法测定水中苯的分配常数及其含量的基本关系式。
4) column phase ratio
相比
1.
Based on the thermodynamical definition of column phase ratio and the stoichiometric displacement theory of solute for retention (SDT-R) in reversed phase liquid chromatography (RPLC), the effects of the properties of the stationary and mobile phases on the column phase ratio (log) in reversed phase liquid chromatography (RPLC) were investigated.
依据柱相比的热力学定义和反相液相色谱中溶质的计量置换保留理论 (thestoichiometricdisplacementtheoryofsoluteforretention ,SDT R) ,对反相液相色谱中固定相和流动相性质、温度对柱相比的影响进行了研究。
2.
It is theoretically elucidated that a new definition of column phase ratio (the value of k ′ when the Gibbs free energy of solute equals to zero during stoichiometric displacement process) is related to the characters of solute, mobile, stationary phase and temperature in reversed phase high performance liquid chromatography.
从理论上阐明了热力学观点所定义的柱相比 (即溶质的保留自由能变为零时的k′值 )与溶质种类、柱温、固定相以及溶剂种类的依赖关系。
5) phase comparison by correlation
相关比相
6) phase proportion
相比例
1.
This article analyzes and researches phase proportion and corrosion resistance of weld joint under the welding process of gas tungsten-arc welding(GTAW),and provides guidance to field welding of 00Cr22Ni5Mo3N.
采用气体保护钨极氩弧焊(GTAW),通过调整焊接工艺,分析研究该工艺下焊接接头的相比例及耐腐蚀性能,为00Cr22Ni5Mo3N双相不锈钢的现场焊接提供指导。
2.
The results indicate that keeping t12/8 constant and changing t8/5, the simulated HAZ microstructure and phase proportion almost keep same.
结果表明,固定t12/8,改变t8/5,2205双相不锈钢模拟HAZ的组织形态和相比例相差不大,用t8/5作为参数研究这种材料HAZ组织转变行为是不恰当的;固定t8/5,改变t12/8,2205双相不锈钢模拟HAZ的组织形态和相比例变化比较大,t12/8是影响这种材料HAZ组织的本质因素,用它来研究对2205双相不锈钢HAZ组织的影响更为确切。
补充资料：比较相对指标
比较相对指标是同类现象在两个总体之间的不同数量表现的对比。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条